Van Hollen chosen as Ryan stand-in for Biden debate prep

The Obama campaign has tapped Rep. Chris Van Hollen to play Rep. Paul Ryan in debate prep for VP Joe Biden, a source with knowledge of the choice confirmed to POLITICO.

The pick, first reported by CBS, lays out the planning for the fall match-up with the newly-minted GOP vice presidential hopeful, with the contours of the debate expected to be debt and entitlement reform - something they have battled over for awhile.